<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>500 - 服务器错误</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            text-align: center;
            padding: 50px;
            background-color: #f5f5f5;
            color: #333;
        }
        .container {
            max-width: 400px;
            margin: 0 auto;
            padding: 40px 20px;
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .error-code {
            font-size: 80px;
            font-weight: bold;
            color: #e74c3c;
            margin-bottom: 20px;
        }
        .error-title {
            font-size: 24px;
            margin-bottom: 10px;
            color: #2c3e50;
        }
        .error-text {
            font-size: 16px;
            color: #7f8c8d;
            margin-bottom: 30px;
        }
        .back-link {
            display: inline-block;
            background-color: #3498db;
            color: white;
            padding: 10px 25px;
            text-decoration: none;
            border-radius: 4px;
            font-weight: 500;
        }
    </style>
</head>
<body>
<div class="container">
    <div class="error-code">500</div>
    <h2 class="error-title">服务器错误</h2>
    <p class="error-text">服务器遇到问题，无法完成请求</p>
    <a href="/" class="back-link">返回首页</a>
</div>
</body>
</html>